<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body>
<div ng-app="myApp" ng-controller="formCtrl">
    <form novalidate>
        First Name:<br>
        <input type="text" ng-model="user.firstName"><br>
        Last Name:<br>
        <input type="text" ng-model="user.lastName">
        测试1 <br>
        <input type="text" ng-model="user.test1"><br>
        测试2 <br>
        <input type="text" ng-model="user.test2"><br>
        测试3 <br>
        <input type="text" ng-model="user.test3"><br>
        <span ng-repeat="item in [1,2,3,4,5,6,7,8,9]">
            {{item}}
            <input type="text" ng-model="user.item"><br>
        </span>
        <br><br>
        <button ng-click="reset()">RESET</button>
    </form>
    <p>form = {{user}}</p>
    <p>master = {{master}}</p>
</div>

<script>
    var app = angular.module('myApp', []);
    app.controller('formCtrl', function($scope) {
        $scope.master = {firstName: "John", lastName: "Doe"};
        $scope.reset = function() {
            $scope.user = angular.copy($scope.master);
        };
        $scope.reset();
    });
</script>
</body>
</html>